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| To: | <[email protected]> |
|---|---|
| Subject: | Re: LF: toroid xformer |
| From: | "James Moritz" <[email protected]> |
| Date: | Wed, 23 Feb 2011 00:47:06 -0000 |
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| In-reply-to: | <[email protected]> |
| References: | <004201cbd111$5d4567f0$0401a8c0@xphd97xgq27nyf> <949432225.7185542.1298229766613.JavaMail.fmail@mwmweb068> <B3C08CB88D994D7DA3369EDED7EFB875@JimPC> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Dear Stefan, LF Group,No, I am not currently transmitting on 9kHz - the amplifier was built some years ago to do some component tests in the VLF/LF/MF range and covers from several kHz to about 2MHz. It was built using parts of an old public address audio amplifier I found in a skip, and the TO3 audio mosfets came from my very first LF TX, which was based on a Maplin Hi Fi amplifier module, and was used on 73kHz and 136kHz. I later used the amplifier for my first 500kHz transmissions, so if it does get used for 9kHz one day, those mosfets will certainly have travelled widely in the frequency spectrum ;-) Cheers, Jim Moritz 73 de M0BMU----- Original Message ----- From: "Stefan Schäfer" <[email protected]> To: <[email protected]> Sent: Monday, February 21, 2011 1:22 PM Subject: Re: LF: toroid xformer Hello Jim, LF,Does it mean you are transmitting on VLF as well? :-) Would be interesting to know some details, if so :-) |
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